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92 lines
1.8 KiB
92 lines
1.8 KiB
//
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// Copyright (c) Microsoft Corporation 1995
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//
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// symtab.h
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//
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// Header file for the symbol table.
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//
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// History:
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// 04-30-95 ScottH Created
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//
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#ifndef __SYMTAB_H__
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#define __SYMTAB_H__
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//
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// DATATYPE
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//
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typedef enum
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{
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DATA_INT, // Uses er.nVal
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DATA_BOOL, // Uses er.bVal
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DATA_STRING, // Uses er.psz
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DATA_LABEL, // Uses er.dw as code address
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DATA_PROC,
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} DATATYPE;
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DECLARE_STANDARD_TYPES(DATATYPE);
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//
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// EVALRES (evaluation result)
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//
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typedef struct tagEVALRES
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{
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union
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{
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LPSTR psz;
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int nVal;
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BOOL bVal;
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ULONG_PTR dw;
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};
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} EVALRES;
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DECLARE_STANDARD_TYPES(EVALRES);
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//
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// Symbol Table Entry
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//
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typedef struct tagSTE
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{
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LPSTR pszIdent;
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DATATYPE dt;
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EVALRES er;
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} STE; // symbol table entry
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DECLARE_STANDARD_TYPES(STE);
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RES PUBLIC STE_Create(PSTE * ppste, LPCSTR pszIdent, DATATYPE dt);
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RES PUBLIC STE_Destroy(PSTE this);
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RES PUBLIC STE_GetValue(PSTE this, PEVALRES per);
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#define STE_GetIdent(pste) ((pste)->pszIdent)
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#define STE_GetDataType(pste) ((pste)->dt)
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//
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// Symbol Table
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//
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typedef struct tagSYMTAB
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{
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HPA hpaSTE; // element points to STE
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struct tagSYMTAB * pstNext;
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} SYMTAB;
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DECLARE_STANDARD_TYPES(SYMTAB);
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#define Symtab_GetNext(pst) ((pst)->pstNext)
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RES PUBLIC Symtab_Destroy(PSYMTAB this);
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RES PUBLIC Symtab_Create(PSYMTAB * ppst, PSYMTAB pstNext);
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// Symtab_Find flags
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#define STFF_DEFAULT 0x0000
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#define STFF_IMMEDIATEONLY 0x0001
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RES PUBLIC Symtab_FindEntry(PSYMTAB this, LPCSTR pszIdent, DWORD dwFlags, PSTE * ppsteOut, PSYMTAB * ppstScope);
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RES PUBLIC Symtab_InsertEntry(PSYMTAB this, PSTE pste);
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RES PUBLIC Symtab_NewLabel(PSYMTAB this, LPSTR pszIdentBuf);
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#endif // __SYMTAB_H__
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